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Diffstat (limited to 'src/gui/opengl/qtriangulatingstroker_p.h')
| -rw-r--r-- | src/gui/opengl/qtriangulatingstroker_p.h | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/src/gui/opengl/qtriangulatingstroker_p.h b/src/gui/opengl/qtriangulatingstroker_p.h deleted file mode 100644 index 5c037cb05d..0000000000 --- a/src/gui/opengl/qtriangulatingstroker_p.h +++ /dev/null @@ -1,170 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QTRIANGULATINGSTROKER_P_H -#define QTRIANGULATINGSTROKER_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -#include <private/qdatabuffer_p.h> -#include <qvarlengtharray.h> -#include <private/qvectorpath_p.h> -#include <private/qbezier_p.h> -#include <private/qnumeric_p.h> -#include <private/qmath_p.h> - -QT_BEGIN_NAMESPACE - -class Q_GUI_EXPORT QTriangulatingStroker -{ -public: - QTriangulatingStroker() : m_vertices(0), m_cx(0), m_cy(0), m_nvx(0), m_nvy(0), m_width(1), m_miter_limit(2), - m_roundness(0), m_sin_theta(0), m_cos_theta(0), m_inv_scale(1), m_curvyness_mul(1), m_curvyness_add(0), - m_join_style(Qt::BevelJoin), m_cap_style(Qt::SquareCap) {} - - void process(const QVectorPath &path, const QPen &pen, const QRectF &clip, QPainter::RenderHints hints); - - inline int vertexCount() const { return m_vertices.size(); } - inline const float *vertices() const { return m_vertices.data(); } - - inline void setInvScale(qreal invScale) { m_inv_scale = invScale; } - -private: - inline void emitLineSegment(float x, float y, float nx, float ny); - void moveTo(const qreal *pts); - inline void lineTo(const qreal *pts); - void cubicTo(const qreal *pts); - void join(const qreal *pts); - inline void normalVector(float x1, float y1, float x2, float y2, float *nx, float *ny); - void endCap(const qreal *pts); - void arcPoints(float cx, float cy, float fromX, float fromY, float toX, float toY, QVarLengthArray<float> &points); - void endCapOrJoinClosed(const qreal *start, const qreal *cur, bool implicitClose, bool endsAtStart); - - - QDataBuffer<float> m_vertices; - - float m_cx, m_cy; // current points - float m_nvx, m_nvy; // normal vector... - float m_width; - qreal m_miter_limit; - - int m_roundness; // Number of line segments in a round join - qreal m_sin_theta; // sin(m_roundness / 360); - qreal m_cos_theta; // cos(m_roundness / 360); - qreal m_inv_scale; - float m_curvyness_mul; - float m_curvyness_add; - - Qt::PenJoinStyle m_join_style; - Qt::PenCapStyle m_cap_style; -}; - -class Q_GUI_EXPORT QDashedStrokeProcessor -{ -public: - QDashedStrokeProcessor(); - - void process(const QVectorPath &path, const QPen &pen, const QRectF &clip, QPainter::RenderHints hints); - - inline void addElement(QPainterPath::ElementType type, qreal x, qreal y) { - m_points.add(x); - m_points.add(y); - m_types.add(type); - } - - inline int elementCount() const { return m_types.size(); } - inline qreal *points() const { return m_points.data(); } - inline QPainterPath::ElementType *elementTypes() const { return m_types.data(); } - - inline void setInvScale(qreal invScale) { m_inv_scale = invScale; } - -private: - QDataBuffer<qreal> m_points; - QDataBuffer<QPainterPath::ElementType> m_types; - QDashStroker m_dash_stroker; - qreal m_inv_scale; -}; - -inline void QTriangulatingStroker::normalVector(float x1, float y1, float x2, float y2, - float *nx, float *ny) -{ - float dx = x2 - x1; - float dy = y2 - y1; - Q_ASSERT(dx != 0 || dy != 0); - - float pw; - - if (dx == 0) - pw = m_width / std::abs(dy); - else if (dy == 0) - pw = m_width / std::abs(dx); - else - pw = m_width / std::sqrt(dx*dx + dy*dy); - - *nx = -dy * pw; - *ny = dx * pw; -} - -inline void QTriangulatingStroker::emitLineSegment(float x, float y, float vx, float vy) -{ - m_vertices.add(x + vx); - m_vertices.add(y + vy); - m_vertices.add(x - vx); - m_vertices.add(y - vy); -} - -void QTriangulatingStroker::lineTo(const qreal *pts) -{ - emitLineSegment(pts[0], pts[1], m_nvx, m_nvy); - m_cx = pts[0]; - m_cy = pts[1]; -} - -QT_END_NAMESPACE - -#endif |